Bardac™ 205M and Bardac 208M are blends of twin chain quaternary ammonium compounds and alkyl dimethyl benzyl ammonium chloride. When used as an active ingredient in FIFRA1 registered formulations such as hard surface disinfectants, sanitizers, and/or certain types of water treatment formulations, these products have been found to provide superior biocidal action against a broad spectrum of microbial organisms such as bacteria, fungi, viruses, and algae. This “fourth” generation quaternary ammonium compound delivers potent germicidal action in hard water and organic soil loads.

This product is freely soluble in water, lower alcohols, ketones, and glycols.

Applications for Bardac 208M

  • Hard surface disinfectants
  • Sanitizers
  • Certain types of water treatment formulations


Typical Properties Bardac 205M Bardac 208M
Appearance Clear, pale yellow to straw liquid Clear, pale yellow to straw liquid
Color (APHA) 150 max. 200 max.
pH (10% solution) 6.5 – 9.0 6.5 – 9.0
Flash Point (Setaflash, °F) 118 116
Specific Gravity at 25°C 0.946 0.912
Density in lbs./gal. 7.89 7.61
Freezing Point, °F -12 -4
Average Molecular Weight 342 342

Bardac 208 M


Other recommended products from this supplier:


Looking for more ideas and innovations for your next project? Check out our featured Trends Post: Multifunctionality, Efficacy, and Safety in Hard Surface Cleaning!

  • tds
    Enter TDS link